參數(shù)資料
型號(hào)： S80960SA-16
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 16 MHz, RISC PROCESSOR, PQFP80
封裝： EIAJ, QFP-80
文件頁(yè)數(shù)： 7/39頁(yè)
文件大?。?/td> 2371K
代理商： S80960SA-16
11
80960SA
2.0
ELECTRICAL SPECIFICATIONS
2.1
Power and Grounding
The
80960SA
is
implemented
in
CHMOS
IV
technology and therefore has modest power require-
ments. Its high clock frequency and numerous output
buffers (address/data, control, error and arbitration
signals) can cause power surges as multiple output
buffers simultaneously drive new signal levels. For
clean on-chip power distribution, VCC and VSS pins
separately feed the device’s functional units. Power
and ground connections must be made to all
80960SA power and ground pins. On the circuit
board, all VCC pins must be strapped closely
together, preferably on a power plane; all VSS pins
should be strapped together, preferably on a ground
plane.
2.2
Power Decoupling
Recommendations
Place a liberal amount of decoupling capacitance
near the 80960SA. When driving the bus the
processor can cause transient power surges, partic-
ularly when connected to a large capacitive load.
Low inductance capacitors and interconnects are
recommended for best high frequency electrical
performance. Inductance is reduced by shortening
board traces between the processor and decoupling
capacitors as much as possible.
2.3
Connection Recommendations
For reliable operation, always connect unused inputs
to an appropriate signal level. In particular, if one or
more interrupt lines are not used, they should be
pulled up. No inputs should ever be left floating.
The LOCK open-drain pin requires a pullup resistor
whether or not the pin is used as an output. Figure 5
shows the recommended resistor value.
Do not connect external logic to pins marked NC.
Figure 5. Connection Recommendation
for LOCK
2.4
Characteristic Curves
Figure 6 shows typical supply current requirements
over
the
operating
temperature
range
of
the
processor at supply voltage (VCC) of 5V. Figure 7
shows the typical power supply current (ICC) that the
80960SA requires at various operating frequencies
when measured at three input voltage (VCC) levels.
For a given output current (IOL) the curve in Figure 8
shows the worst case output low voltage (VOL).
Figure 9 shows the typical capacitive derating curve
for the 80960SA measured from 1.5V on the system
clock (CLK) to 0.8V on the falling edge and 2.0V on
the rising edge of the bus address/data (AD) signals.
910
VCC
OPEN-DRAIN
OUTPUT
相關(guān)PDF資料
PDF描述
S80960SB-10 32-BIT, 10 MHz, RISC PROCESSOR, PQFP80
S80C186XL12 16-BIT, 12 MHz, MICROPROCESSOR, PQFP80
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S80960SB-16 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:EMBEDDED 32-BIT MICROPROCESSOR WITH 16-BIT BURST DATA BUS
S80BH97(E)4-C WAF 制造商:Intel 功能描述:
S80C154-12 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S80C154-16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
S80C154-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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